CN109044258B - Disposable electronic ureteroscope - Google Patents
Disposable electronic ureteroscope Download PDFInfo
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- CN109044258B CN109044258B CN201811048852.2A CN201811048852A CN109044258B CN 109044258 B CN109044258 B CN 109044258B CN 201811048852 A CN201811048852 A CN 201811048852A CN 109044258 B CN109044258 B CN 109044258B
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- Prior art keywords
- tube
- objective lens
- wire
- spring
- operating handle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/307—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
Abstract
A disposable electronic ureteroscope comprises an operating handle, an insertion tube and an output lead. According to the electronic ureteroscope, through the objective lens group with the switchable far-near object distance, the attached imaging of flushing in the cavity is realized under the conditions of bleeding of an observation surface, turbid body fluid and the like, the adverse effect of flushing on a patient in the prior art is solved, meanwhile, under the condition of flushing, the pressure value is automatically fed back to an external flushing control unit through an optical fiber pressure measuring sensor integrated on the head, the water inflow is controlled, so that the pressure in a renal pelvis is kept at a safety critical level, the use risk is effectively controlled, the snake bone structure of two bending stretching elastic sheets is adopted, the bending radius of the head is effectively reduced, the use in a narrow space is facilitated, the ureteroscope is simple in structure, easy and convenient to operate, low in manufacturing cost and suitable for disposable use, and the risk of cross infection is avoided.
Description
Technical field:
the invention relates to a human living article, in particular to a medical instrument, and especially relates to a disposable electronic ureteroscope.
The background technology is as follows:
urinary calculi are common and frequently occurring diseases of urinary surgery. About 70% of the outpatients in urology are statistically urinary tract lithiasis patients, and about 50% of the inpatients in urology are upper urinary tract lithiasis patients who require intervention by endoluminal urological techniques. On the other hand, hematuria is one of the most common clinical symptoms of urinary surgery, wherein the hematuria from the upper urinary tract can be caused by urinary stones, tumors or vascular malformations, and the like, and the diagnosis is difficult, so that an intracavity urological technology is often needed.
Uretero-nephroscope is used as a representative of the current endoluminal urological technology, can enter human kidney through the urethral orifice, helps clinicians diagnose kidney, ureteral calculus or upper urinary tract tumor under direct vision, can also carry out lithotripsy and tumor excision treatment under the assistance of laser and the like, and has the advantages of natural cavity passage, minimally invasive, quick recovery and high curative effect.
However, ureteroscopy suffers from the following disadvantages: when flushing and cleaning the visual field, excessive pressure in the kidney can be caused, so that toxic and side effects are generated; in the case of unavoidable flushing, the pressure in the renal pelvis lacks real-time early warning; the ureteroscope which is repeatedly used is easy to damage, such as accidental damage to a lens, fatigue damage to an optical fiber and the like in the laser lithotripsy process, and the maintenance cost is high; the ureteroscope used repeatedly has incomplete sterilization and cross infection risk.
The existing disposable ureteroscope has the following problems in the actual clinical practice process: the intrarenal observation is required in the state of flushing, and complications risks exist for some patients unsuitable for flushing; most of the medical devices do not have a pressure measuring function, and when the medical devices are flushed in the kidney continuously, the medical devices are easily damaged due to excessive pressure in the kidney; most of the existing pressure measuring means use piezoelectric or silicon piezoresistive pressure sensors, the external dimension of the pressure measuring means is not easy to miniaturize, the pressure measuring means is relatively difficult to integrate at the front end of an endoscope with a smaller diameter requirement, the electromagnetic interference resistance of the pressure measuring means is poor, the pressure measuring means needs to avoid the environment with magnetic field interference when in use, and the measuring precision is greatly influenced by temperature and humidity; the bending radius of the bendable part of the nephroscope head is too large, and the bending angle is insufficient, which is not beneficial to turning in a narrow space in the renal pelvis and observing the space in all directions.
The invention comprises the following steps:
the invention aims to provide a disposable electronic ureteroscope, which realizes attached imaging under the condition of no flushing in a cavity by adopting an objective lens group with a switchable distance and near object distance, solves the adverse effect on a patient caused by flushing in the prior art, simultaneously automatically feeds back a pressure value to an external flushing control unit through an optical fiber pressure sensor integrated at the head to control water inflow under the condition of flushing, so as to keep the pressure in a renal pelvis at a safety critical level, effectively control the use risk, and solves the problem that the bending radius of the head of an endoscope is too large to meet the operation in a narrow space in the prior art by adopting a snake bone structure with a stretching elastic sheet.
The disposable electronic ureteroscope comprises an operating handle, an inserting tube and an output lead, wherein the front end of the operating handle is fixedly connected with the rear end of the inserting tube, the rear end of the operating handle is connected with the output lead, the inserting tube consists of an inserting tube front section, an inserting tube middle section and an inserting tube rear section which are sequentially and coaxially connected through a connecting sleeve, a pulling and rotating button, a flushing control button and a flushing connector are arranged on a shell of the operating handle, wherein an objective lens group, a water outlet and a pressure sensor are arranged in a tube cavity at the end part of the front section of the inserting tube, the objective lens group is arranged at the upper half part of the tube cavity, the water outlet and the pressure sensor are arranged at the lower half part of the tube cavity, the objective lens group consists of an outer circular arc lens and an inner objective lens, the diameter of the outer circular arc lens is slightly larger than that of the inner objective lens and is axially sleeved at the front end of the inner objective lens, the front end of the inner objective lens is circumferentially provided with more than two light emitting diodes, the outer cambered surface of the outer circular arc lens is arranged on the end face of the front section of the insertion tube, the end face of the front section of the insertion tube is provided with the light emitting diodes, the rear end of the inner objective lens is connected with an image sensor, the image sensor is connected with a video wire, the video wire penetrates through the insertion tube to enter the operating handle to be connected with the output wire, a snake bone structure is arranged in the tube cavity of the middle section of the insertion tube, the snake bone structure consists of an outer spring tube, an inner spring tube and a bending stretching spring piece, the diameter of the outer spring tube is slightly larger than that of the inner spring tube, the inner spring tube is coaxially sleeved in the outer spring tube, the bending stretching spring piece is symmetrically arranged between the outer spring tube and the tube wall of the inner spring tube, the front end of the bending stretching spring piece is fixedly connected with the outer diameter of the inner spring tube, the rear ends of the bending stretching spring pieces extend out of the outer spring tube, a steel wire loop tube is fixedly connected between the rear ends of the bending stretching spring pieces, traction steel wires respectively penetrate through two through holes in the rear ends of the bending stretching spring pieces after penetrating through the steel wire loop tube, the traction steel wires are fixedly connected with the bending stretching spring pieces through two pairs of spring piece fixing sleeves, and the two ends of the traction steel wires are connected to a winding wheel after penetrating through all functional pieces.
Further, the cross section of the insertion tube is circular, the upper part in the insertion tube is provided with an objective lens group channel, and the lower part is provided with a flushing channel and a pressure sensor channel.
Further, the pressure sensor adopts an optical fiber pressure sensor.
Further, a steel wire outer tube is sleeved on the traction steel wire, one end of the steel wire outer tube is fixed with the connecting sleeve, and the other end of the steel wire outer tube is fixed in the operating handle through an outer tube blocking block.
The working principle of the invention is as follows: the two bending stretching spring plates in the snake bone structure at the middle section of the insertion tube push the spring tube forwards under the drive of the traction steel wire through the pulling rotary button, so that the snake bone is bent, the length and the bending radius of the bending part are shortened by adopting the two bending stretching spring plates, the front section of the insertion tube enters a focus part in a narrow space in a renal pelvis, attached observation or remote observation is carried out through the objective lens group with changeable far and near object distances, when attached observation is needed, the outer circular arc lens extrudes the observation part and discharges liquid on an attached object surface, meanwhile, the inner LED illuminates the attached object surface, and when remote observation is needed, the inner objective lens and the front outer circular arc lens form the objective lens group, so that observation and diagnosis of the focus part are completed.
Compared with the prior art, the invention has positive and obvious effects. According to the invention, by means of the objective lens group with switchable distance between a far object and a near object, the attached imaging without flushing in a cavity is realized under the conditions of bleeding of an observation surface, turbid body fluid and the like, adverse effects on a patient caused by flushing in the prior art are solved, meanwhile, under the condition that flushing is needed, a pressure value is automatically fed back to an external flushing control unit through an optical fiber pressure measuring sensor integrated on the head, the inflow rate is controlled, so that the pressure in a renal pelvis is kept at a safety critical level, the use risk is effectively controlled, and the snake bone structure of two bending and stretching elastic sheets is adopted, so that the bending radius of the head is effectively reduced, the ureter nephroscope is convenient to use in a narrow space, and has the advantages of simple structure, simplicity and convenience in operation, low manufacturing cost, suitability for disposable use, and prevention of repeated cross infection.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the objective lens assembly according to the present invention.
Fig. 4 is a schematic end view of the front section of the insertion tube of the present invention.
FIG. 5 is a schematic illustration of the structure of a snake bone according to the invention.
The specific embodiment is as follows:
example 1:
as shown in fig. 1 to 5, the disposable electronic ureteroscope of the present invention comprises an operation handle 1, an insertion tube 2 and an output lead 3, wherein the front end of the operation handle 1 is fixedly connected with the rear end of the insertion tube 2, the rear end of the operation handle 1 is connected with the output lead 3, the insertion tube 2 is composed of an insertion tube front section 201, an insertion tube middle section 202 and an insertion tube rear section 203 which are sequentially and coaxially connected through a connecting sleeve 12, a pulling and rotating button 4, a flushing control button 5 and a flushing connector 6 are arranged on the casing of the operation handle 1, an objective lens 7, a water outlet 8 and a pressure sensor 9 are arranged in the end tube cavity of the insertion tube front section 201, the objective lens 7 is arranged at the upper half part of the tube cavity, the water outlet 8 and the pressure sensor 9 are arranged at the lower half part of the tube cavity, the objective lens 7 is composed of an outer arc lens 701 and an inner objective lens 702, the diameter of the outer arc lens 701 is slightly larger than the inner objective lens 702 and is axially sleeved at the front end of the inner objective lens 702, the front end of the inner objective 702 is circumferentially provided with more than two light emitting diodes 703, the outer cambered surface of the outer circular arc lens 701 is arranged on the end face of the front section 201 of the insertion tube, the end face of the front section 201 of the insertion tube is provided with a light emitting diode 204, the rear end of the inner objective 702 is connected with an image sensor 704, the image sensor 704 is connected with a video wire 705, the video wire 705 passes through the insertion tube 2 to enter the operation handle 1 to be connected with the output wire 3, a snake bone structure 10 is arranged in the tube cavity of the middle section 202 of the insertion tube, the snake bone structure 10 is composed of an outer spring tube 1001, an inner spring tube 1002 and a bending stretching spring 1003, the diameter of the outer spring tube 1001 is slightly larger than that of the inner spring tube 1002, the inner spring tube 1002 is coaxially sleeved in the outer spring tube 1001, the bending stretching spring 1003 is a pair and symmetrically arranged between the tube walls of the outer spring tube 1001 and the inner spring tube 1002, the front end of the bending stretching spring 1003 is fixedly connected with the outer diameter of the inner spring tube 1002, the rear ends of the bending and stretching spring plates 1003 extend out of the outer spring tube 1001, a steel wire loop pipe 1004 is fixedly connected between the rear ends of the two bending and stretching spring plates 1003, after the traction steel wire 1005 passes through the steel wire loop pipe 1004, the traction steel wire 1005 respectively passes through two through holes on the rear ends of the two bending and stretching spring plates 1003, and is fixedly connected with the bending and stretching spring plates 1003 through two pairs of spring plate fixing sleeves 1006, and two ends of the traction steel wire 1005 pass through all functional parts and are connected to the reel 11.
Further, the cross section of the insertion tube 2 is circular, the upper part in the insertion tube 2 is provided with an objective lens group channel, and the lower part is provided with a flushing channel and a pressure sensor channel.
Further, the pressure sensor 9 is an optical fiber pressure sensor.
Further, the traction wire 1005 is sleeved with a wire outer tube 13, one end of the wire outer tube 13 is fixed with the connecting sleeve 12, and the other end of the wire outer tube is fixed in the operating handle 1 through an outer tube blocking block 14.
The invention provides an attached imaging under the condition of no flushing, and the imaging process is analogous as follows: when the palm is scratched and bleeding is great, blood is dispersed around the wound, the palm wound and the skin around the wound cannot be observed due to the blocking of the blood, a transparent glass cup is grasped by hands at the moment, the wound is tightly attached to the outer wall of the glass cup, the bleeding around the wound is rolled off due to the extrusion effect, and meanwhile, the compression hemostasis effect on the wound is achieved due to the extrusion effect, and at the moment, the conditions of the wound and the skin around the wound can be clearly seen through the inner wall of the glass cup; the displacement of the glass to the tissue also creates a hollow object distance to achieve object distance without the natural orifice.
In the invention, the attached observation and the remote imaging observation can be realized, the inner objective 702 can perform fixed object distance imaging on the outer circular arc surface of the front outer circular arc lens 701, and the inner objective 702 and the front outer circular arc lens 701 (leftmost lens) are combined to form the objective group 7 to perform imaging on a remote object plane; the illumination light path is divided into an inner path and an outer path, the inner illumination path illuminates an attached object surface, the outer illumination path illuminates a remote object, the two paths of illumination are switched through an inner illumination change-over switch and an outer illumination change-over switch arranged on the operating handle 1, when the attached observation is carried out, the outer illumination light is in a closed state, and when the remote observation is carried out, the inner illumination light path is in a closed state, and the attached observation and the remote object surface observation can be realized by the structure; the lens of the present invention is designed to have a near (nearly identical) back intercept for both remote and attached viewing, so that no adjustment of the axial position of the image sensor 704 is required for use.
The invention also provides an optical fiber pressure measuring sensor 9 which can automatically feed back to an external flushing control unit through the result of pressure measurement to control the flow of water inflow so as to keep the pressure in the renal pelvis within a safe critical level, thereby controlling the use risk of the device.
Claims (4)
1. The utility model provides a disposable electron ureteroscope, includes operating handle, insert tube and output wire, operating handle's front end with the rear end fixed connection of insert tube, operating handle's rear end is connected output wire, the insert tube comprises insert tube anterior segment, insert tube middle section and the insert tube rear segment through adapter sleeve coaxial coupling in proper order, be equipped with on the operating handle casing and pull out the knob, wash by water control button and wash by water the joint, its characterized in that: the device comprises an inserting tube, and is characterized in that an objective lens group, a water outlet and a pressure sensor are arranged in a tube cavity at the end part of the front section of the inserting tube, the objective lens group is arranged at the upper half part of the tube cavity, the water outlet and the pressure sensor are arranged at the lower half part of the tube cavity, the objective lens group consists of an outer circular arc lens and an inner objective lens, the diameter of the outer circular arc lens is slightly larger than that of the inner objective lens and is axially sleeved at the front end of the inner objective lens, more than two light emitting diodes are arranged at the front end of the inner objective lens along the circumference, a light emitting diode is arranged at the end surface of the front section of the inserting tube, the rear end of the inner objective lens is connected with an image sensor, the image sensor is connected with a video wire, the video wire penetrates through the inserting tube to enter the operating handle, the output wire is connected with the image sensor, a snake bone structure is arranged in the tube cavity of the middle section of the inserting tube, the snake bone structure consists of an outer spring tube, an inner spring tube and a bending tension spring piece, the diameter of the outer spring tube is slightly larger than that of the inner spring tube is coaxially sleeved with the inner spring tube, the inner spring tube is bent at the inner spring tube, the outer spring tube is bent at the inner end of the outer spring tube, the outer spring tube is bent at the end of the outer spring tube, the outer spring tube is bent at the outer spring tube is fixedly connected with the outer end of the outer spring tube, and the outer spring tube is fixedly penetrates through the wire tube, and the two wire tube passes through the wire tube and the wire tube, and the outer tube passes through the wire tube and the outer tube.
2. The disposable electronic ureteroscope according to claim 1, characterized in that: the cross section of the insertion tube is circular, the upper part in the insertion tube is provided with an objective lens group channel, and the lower part is provided with a flushing channel and a pressure sensor channel.
3. The disposable electronic ureteroscope according to claim 1, characterized in that: the pressure sensor adopts an optical fiber pressure sensor.
4. The disposable electronic ureteroscope according to claim 1, characterized in that: the traction steel wire is sleeved with a steel wire outer tube, one end of the steel wire outer tube is fixed with the connecting sleeve, and the other end of the steel wire outer tube is fixed in the operating handle through an outer tube blocking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048852.2A CN109044258B (en) | 2018-09-10 | 2018-09-10 | Disposable electronic ureteroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048852.2A CN109044258B (en) | 2018-09-10 | 2018-09-10 | Disposable electronic ureteroscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109044258A CN109044258A (en) | 2018-12-21 |
| CN109044258B true CN109044258B (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811048852.2A Active CN109044258B (en) | 2018-09-10 | 2018-09-10 | Disposable electronic ureteroscope |
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| Country | Link |
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| CN (1) | CN109044258B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584583A (en) * | 2019-08-30 | 2019-12-20 | 常州延顺光电科技有限公司 | Insertion tube assembly of ureteroscope |
| CN115153387A (en) * | 2022-08-05 | 2022-10-11 | 杰泰医疗(深圳)有限公司 | Disposable medical endoscope with reasonable internal arrangement |
| CN117357053B (en) * | 2023-12-06 | 2024-03-29 | 广东埃纳生医学科技有限公司 | Handheld seminal vesicle for urethral diagnosis |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1562267A (en) * | 1968-02-23 | 1969-04-04 | ||
| CN2143474Y (en) * | 1992-11-24 | 1993-10-13 | 杨仁华 | Soft fiber multifunction hysteroscope |
| US5369525A (en) * | 1992-12-02 | 1994-11-29 | United States Surgical Corporation | Ring lens assembly for an optical viewing device |
| JP2006288432A (en) * | 2005-04-05 | 2006-10-26 | Olympus Medical Systems Corp | Electronic endoscope |
| JP2009294540A (en) * | 2008-06-06 | 2009-12-17 | Olympus Medical Systems Corp | Lens unit, and endoscope |
| JP2011011007A (en) * | 2009-07-06 | 2011-01-20 | Hoya Corp | Lighting mechanism of electronic endoscope |
| WO2017041614A1 (en) * | 2015-09-08 | 2017-03-16 | 上海熠达光电科技有限公司 | Endoscope bending portion and disposable endoscope |
| CN108095679A (en) * | 2016-11-24 | 2018-06-01 | 宁波智光机电科技有限公司 | Disposable electric Flexible ureteroscope insertion end |
| CN108143388A (en) * | 2018-01-02 | 2018-06-12 | 珠海嘉润医用影像科技有限公司 | A kind of bending section for disposable endoscope |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6908307B2 (en) * | 2003-02-03 | 2005-06-21 | Schick Technologies | Dental camera utilizing multiple lenses |
| US8992420B2 (en) * | 2004-04-14 | 2015-03-31 | Usgi Medical, Inc. | Methods and apparatus for off-axis visualization |
-
2018
- 2018-09-10 CN CN201811048852.2A patent/CN109044258B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1562267A (en) * | 1968-02-23 | 1969-04-04 | ||
| CN2143474Y (en) * | 1992-11-24 | 1993-10-13 | 杨仁华 | Soft fiber multifunction hysteroscope |
| US5369525A (en) * | 1992-12-02 | 1994-11-29 | United States Surgical Corporation | Ring lens assembly for an optical viewing device |
| JP2006288432A (en) * | 2005-04-05 | 2006-10-26 | Olympus Medical Systems Corp | Electronic endoscope |
| JP2009294540A (en) * | 2008-06-06 | 2009-12-17 | Olympus Medical Systems Corp | Lens unit, and endoscope |
| JP2011011007A (en) * | 2009-07-06 | 2011-01-20 | Hoya Corp | Lighting mechanism of electronic endoscope |
| WO2017041614A1 (en) * | 2015-09-08 | 2017-03-16 | 上海熠达光电科技有限公司 | Endoscope bending portion and disposable endoscope |
| CN108095679A (en) * | 2016-11-24 | 2018-06-01 | 宁波智光机电科技有限公司 | Disposable electric Flexible ureteroscope insertion end |
| CN108143388A (en) * | 2018-01-02 | 2018-06-12 | 珠海嘉润医用影像科技有限公司 | A kind of bending section for disposable endoscope |
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| CN109044258A (en) | 2018-12-21 |
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